7/27/2019 37-05

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DATE: REVISION:

VAN'S AIRCRAFT, INC.

09/30/09 3 RV-12

Step 1: Remove the vinyl protective covering from both sides of the T-1210 Fuel Window, then deburr the edges.

Step 2: Use a toothpick to thinly coat the surface under the head of all the screws that will be used in installing the T-1210 FuelWindow with fuel tank sealant.

Step 3: Install two scr ews into the T-1201 Main Tank Skin in the locations called out in Figure 1. Tape over the screw heads to holdthem in place then tip the tank on its side with the screw heads against a flat surface.

Step 4: Apply a thin layer of tank sealant along the perimeter of the T-1210 Fuel Window on one side.

Step 5: Apply a thin layer of sealant to the flanges of the T-1213-1 Backing Plate then carefully place the backing plate onto the sideof the T-1210 F uel Window without fuel tank sealant. Reach into the tank and slide the assembly in place over the two screws, then tipthe tank upright.

Step 6: Insert the r est of the scr ews into the remaining holes attaching the T-1210 Fuel Window. Remove the tape from the two

screws used as guides.Step 7: Install the washers and nuts that attach the T-1210 Fuel W indow and T-1213-1 Backing Plate to the T-1201 Main Tank Skinfinger tight . Cover the nuts with fuel tank sealant. If using a nut driver to hold the nuts do not tighten the nuts using the handle.Tighten with the shank using fingers only.

NOTE: Do not attempt to remove any sealant squeezed out at the sight window holes until it is fully cured.

Step 8: Cut the end off of a popsicle stick so it is straight rather than round, then bevel the edge so it can be used as a scraper. Afterthe sealant has cured use this tool to remove any sealant that may have oozed out of the sight window holes.

FIGURE 1: INSTALLING THE FUEL WINDOW

Step 9: Place a blanket orlarge rag over the insidebottom of the fuel tank tocollect drill chips fromfollowing steps. Cleco theT-1204A Top Tank Skin to theFuel Tank Assembly as shownin Figure 2.

FIGURE 2: CLECO THE TOP TANK SKIN

T-1204A

FUEL TANK ASSEMBLY

T-1213-1 T-1210

22X

T-1201(SHOWN CUTAWAY)

Step 10: Layout and drill #30 ahole pattern in the flange of theT-1204B Flange per thedimensions given in Figure 3.

CAUTION: Avoid causingdeformation to the T-1211Fuel Neck and T-1204B FuelFlange when tightening thehose clamps.

Step 11: Use two hose clampsand the T-1212 Fuel NeckCollar to join the T-1211 FuelNeck and T-1204B Flangetogether per the dimensionscalled out in Figure 3.

T-1211

2X AN737TW-66

T-1204B

FIGURE 3: MAKING THEFILLER NECK ASSEMBLY

SIDE VIEWISO VIEW

TOP VIEW

5/16

T-1212

AN515-6R84X NAS1149FN632P

HEX NUT 632

CAUTION: NUTS ONLY

FINGER TIGHT! COVER SCREW

AND NUT IN FUEL TANK

SEALANT

STEP 3 SCREW LOCATION

STEP 3 SCREW LOCATION